docs: Generate changelog for v5.1.2

changes/v5.1.2.en.md

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+# v5.1.2
+
+## Enhancements
+
+- [#11124](https://github.com/emqx/emqx/pull/11124) Release packages for Amazon Linux 2023
+
+- [#11226](https://github.com/emqx/emqx/pull/11226) Unify the listener switch to `enable`, while being compatible with the previous `enabled`.
+
+- [#11249](https://github.com/emqx/emqx/pull/11249) Support HTTP API for setting alarm watermark of license.
+
+- [#11251](https://github.com/emqx/emqx/pull/11251) Add `/cluster/topology` HTTP API endpoint
+
+  `GET` request to the endpoint returns the cluster topology: connections between RLOG core and replicant nodes.
+
+- [#11253](https://github.com/emqx/emqx/pull/11253) The Webhook/HTTP bridge has been refactored to its own Erlang application. This allows for more flexibility in the future, and also allows for the bridge to be run as a standalone application.
+
+- [#11289](https://github.com/emqx/emqx/pull/11289) Release packages for Debian 12.
+
+- [#11290](https://github.com/emqx/emqx/pull/11290) Updated `jq` dependency to version 0.3.10 which includes `oniguruma` library update to version 6.9.8 with few minor security fixes.
+
+- [#11291](https://github.com/emqx/emqx/pull/11291) Updated RocksDB version to 1.8.0-emqx-1 via ekka update to 0.15.6.
+
+- [#11236](https://github.com/emqx/emqx/pull/11236) Improve the speed of clients querying in HTTP API `/clients` endpoint with default parameters
+
+## Bug Fixes
+
+- [#11065](https://github.com/emqx/emqx/pull/11065) Avoid logging irrelevant error messages during EMQX shutdown.
+
+- [#11077](https://github.com/emqx/emqx/pull/11077) Fixes crash when updating binding with a non-integer port.
+
+- [#11184](https://github.com/emqx/emqx/pull/11184) Config value for `max_packet_size` has a max value of 256MB defined by protocol. This is now enforced and any configuration with a value greater than that will break.
+
+- [#11192](https://github.com/emqx/emqx/pull/11192) Fix produces valid HOCON file when atom type is used.
+  Remove unnecessary `"` from HOCON file.
+
+- [#11195](https://github.com/emqx/emqx/pull/11195) Avoid to create duplicated subscription by HTTP API or client in Stomp gateway
+
+- [#11206](https://github.com/emqx/emqx/pull/11206) Make the username and password params of CoAP client to optional in connection mode.
+
+- [#11208](https://github.com/emqx/emqx/pull/11208) Fix the issue of abnormal data statistics for LwM2M client.
+
+- [#11211](https://github.com/emqx/emqx/pull/11211) Consistently return `404` for `DELETE` operations on non-existent resources.
+
+- [#11214](https://github.com/emqx/emqx/pull/11214) Fix a bug where node configuration may fail to synchronize correctly when joining the cluster.
+
+- [#11229](https://github.com/emqx/emqx/pull/11229) Fixed an issue preventing plugins from starting/stopping after changing configuration via `emqx ctl conf load`.
+
+- [#11237](https://github.com/emqx/emqx/pull/11237) The `headers` default value in /prometheus API should be a map instead of a list.
+
+- [#11250](https://github.com/emqx/emqx/pull/11250) Fix while a WebSocket packet contains more than one MQTT packet, the order of MQTT packets will be reversed.
+
+
+- [#11271](https://github.com/emqx/emqx/pull/11271) Ensure that the range of percentage type is from 0% to 100%.
+
+- [#11272](https://github.com/emqx/emqx/pull/11272) Fix a typo in the log, when EMQX received an abnormal `PUBREL` packet, the `pubrel` was mistakenly typo as `pubrec`.
+
+- [#11281](https://github.com/emqx/emqx/pull/11281) Restored support for the special `$queue/` shared subscription.
+
+- [#11294](https://github.com/emqx/emqx/pull/11294) Fix `emqx_ctl cluster join`, `leave`, and `status` commands.
+
+- [#11296](https://github.com/emqx/emqx/pull/11296) Import additional configurations from EMQX backup file (`emqx ctl import` command):
+  - rule_engine (previously not imported due to the bug)
+  - topic_metrics (previously not implemented)
+  - slow_subs (previously not implemented).
+
+- [#11309](https://github.com/emqx/emqx/pull/11309) Improve startup order of EMQX applications.
+  Simplify build scripts and improve code reuse.
+
+- [#11322](https://github.com/emqx/emqx/pull/11322) Import additional configurations from EMQX backup file (`emqx ctl import` command):
+  - rule_engine (previously not imported due to the bug)
+  - topic_metrics (previously not implemented)
+  - slow_subs (previously not implemented).